7949173028 has 6 divisors (see below), whose sum is σ = 13911052806. Its totient is φ = 3974586512.

The previous prime is 7949173009. The next prime is 7949173031. The reversal of 7949173028 is 8203719497.

It can be written as a sum of positive squares in only one way, i.e., 7361983204 + 587189824 = 85802^2 + 24232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993646625 + ... + 993646632.

It is an arithmetic number, because the mean of its divisors is an integer number (2318508801).

Almost surely, 2^7949173028 is an apocalyptic number.

It is an amenable number.

7949173028 is a deficient number, since it is larger than the sum of its proper divisors (5961879778).

7949173028 is a wasteful number, since it uses less digits than its factorization.

7949173028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987293261 (or 1987293259 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 7949173028 is about 89158.1349513324. The cubic root of 7949173028 is about 1995.7554171308.

The spelling of 7949173028 in words is "seven billion, nine hundred forty-nine million, one hundred seventy-three thousand, twenty-eight".